tools/perf/profile_creators/profile_safe_url_list.py

   1 # Copyright 2015 The Chromium Authors. All rights reserved.
   2 # Use of this source code is governed by a BSD-style license that can be
   3 # found in the LICENSE file.
   4 import json
   5 import os
   6 import random
   7
   8
   9 def GetShuffledSafeUrls():
  10   """Returns a deterministic shuffling of safe urls. The profile generators
  11   access the urls in order, and the urls are grouped by domain. The shuffling
  12   reduces the load on external servers."""
  13   random.seed(0)
  14   url_list_copy = list(_GetSafeUrls())
  15   random.shuffle(url_list_copy)
  16   return url_list_copy
  17
  18
  19 def _GetSafeUrls():
  20   """Returns a list of safe urls by loading them from a pre-generated file."""
  21   safe_url_dir = os.path.dirname(os.path.realpath(__file__))
  22   safe_url_path = os.path.join(safe_url_dir, "profile_safe_url_list.json")
  23   with open(safe_url_path, 'r') as safe_url_file:
  24     return json.load(safe_url_file)